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Finding the Fourth Proportional to 215,584.92, 323,525.34 and 75,343.68

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Solution

The fourth proportional to 215,584.92, 323,525.34 and 75,343.68 is: 113,067.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,584.92 : 323,525.34 = 75,343.68 : x
  2. Step 2: Convert to fraction form
    215,584.92/323,525.34 = 75,343.68/x
  3. Step 3: Cross multiply
    215,584.92x = 323,525.34 × 75,343.68
  4. Step 4: Simplify right side
    215,584.92x = 24,375,589,688.85
  5. Step 5: Solve for x
    x = 24,375,589,688.85/215,584.92
  6. Step 6: Final answer
    x = 113,067.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.